18829456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2693}}^1$

素因数の和:2743

約数の個数: 40

約数和(自身を含む): 40086720

約数和(自身を除く): 21257264

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 2693, 3496, 5386, 6992, 10772, 21544, 43088, 51167, 61939, 102334, 123878, 204668, 247756, 409336, 495512, 818672, 991024, 1176841, 2353682, 4707364, 9414728, 18829456]

約数ペア:

[(1, 18829456), (2, 9414728), (4, 4707364), (8, 2353682), (16, 1176841), (19, 991024), (23, 818672), (38, 495512), (46, 409336), (76, 247756), (92, 204668), (152, 123878), (184, 102334), (304, 61939), (368, 51167), (437, 43088), (874, 21544), (1748, 10772), (2693, 6992), (3496, 5386)]